Masterpact MTZ—Altitude
Masterpact MTZ devices are designed and tested to operate at altitudes below 2,000 m (6562 ft.).
At altitudes above 2,000 m (6562 ft.), the characteristics of the ambient air (electrical resistance, cooling capacity) lower product characteristics as follows:
|
Characteristics |
Altitude |
|||
|---|---|---|---|---|
|
2,000 m |
3,000 m |
4,000 m |
5,000 m |
|
|
Impulse withstand voltage (kV) |
12 |
11 |
10 |
8 |
|
Rated insulation voltage (V) |
1,000 |
900 |
780 |
700 |
|
Maximum rated operational voltage 50/60 Hz (V) |
690 |
690 |
630 |
560 |
|
Rated current (A) at 40°C (104°F) |
1 x In |
0.99 x In |
0.96 x In |
0.94 x In |
NOTE: Intermediate values can be obtained by interpolation.